Solid Answer Leader Submersibles have set a new standard in pump technology with environmentally friendly oil-less motors, capacitor start for instant torque and DOUBLE BALL BEARINGS for high efficiency and quiet operation. SPECIFICALLY DESIGNED FOR FOUNTAINS. Environmentally safe high quality pump for water gardening and waterfalls. Corrosion proof, Ceramic shaft sleeve and TRIPLE SEALS provide extended life in abrasive environments for long life. No screws to corrode or vibrate loose. Energy efficient motor. No oil used in motor. Solids handling up to 1-18"(30mm).